Measurement and Assessment of Flow Quality in Wind Tunnels

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$598,169.00
Award Year:
2008
Program:
SBIR
Phase:
Phase II
Contract:
NNL08AA12C
Award Id:
83905
Agency Tracking Number:
065865
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
P.O. Box 541, Pacific Grove, CA, 93950
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
064773401
Principal Investigator:
KevinOwen
Principal Investigator
(831) 646-5370
fkowen@complereinc.com
Business Contact:
KevinOwen
Business Official
(831) 646-5370
fkowen@complereinc.com
Research Institute:
n/a
Abstract
New wind tunnel flow quality test and analysis procedures have been developed and will be used to establish standardized turbulent flow quality measurement techniques and data reduction procedures for future flow quality studies in the National Transonic Wind Tunnel (NTF) and other Aeronautics Test Program (ATP) facilities. To date, few measurements have been made of the characteristics of freestream turbulence in transonic wind tunnels, and details of the amplitude and spectra of freestream velocity and pressure fluctuations is lacking. Consequently, there is an urgent need for in-situ measurements to determine flow quality and the performance of turbulence and noise suppression devices. This information is required if we are to accurately assess and characterize ground test facility performance. To meet these challenges, a unique research program is proposed to clarify and alleviate the aerodynamic problems associated with adverse wind tunnel flow quality. It combines innovative advances in data base assessment and management, and new approaches to turbulence instrumentation and analysis. Standardized turbulence measurement techniques and data analysis procedures will be established and used to document the flow quality in our major test facilities.

* information listed above is at the time of submission.

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